Daniel J. Lenihan

A frequent contributor to Natural History, Daniel Lenihan is one of the world’s leading underwater archaeologists. Founder of the National Park Service’s Submerged Cultural Resources Unit, now named the Submerged Resources Center, he is the coauthor of Underwater Wonders of the National Parks: A Diving and Snorkeling Guide (Compass American Guides, 1997) and author of Submerged: Adventures of America's Most Elite Underwater Archeology Team (Newmarket Press, 2002) is available on Amazon.com.